On Thu, Sep 26, 2013 at 9:36 PM, <ignacio.mata...@gmail.com> wrote:
> hello,
>
> I tried several ways ( clock(), gettimeofday()..) but I can get the proper
> way to measure the elapsed time in microseconds.
>
> I am using eclipse to program in ansi c. Could anybody help me about how to
> measure the elapsed time in microsecond? Could it be possible to enclosed
> the code that I should use?
Ansi C or C++ (as in the title)?
In Ansi C it might look like this:
#include <sys/time.h>
#include <stdio.h>
// compile with: gcc -Wall gettimeofday.c -o gettimeofday
void main()
{
float elapsed_time;
struct timeval start_time, end_time;
gettimeofday( &start_time, NULL );
for (;;){
gettimeofday( &end_time, NULL );
elapsed_time = end_time.tv_sec - start_time.tv_sec + (
end_time.tv_usec - start_time.tv_usec ) / 1e6;
printf( "sec: %g \r", elapsed_time );
}
}
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